Consider the following compounds\ 1) Vinylbenzene 2) Furan
3) Benzene 4) 1, 3 −Bu

Question

Consider the following compounds\ 1) Vinylbenzene    2)  Furan  
 3)  Benzene          4)  1, 3 −Butadiene  
 All the carbon atoms are sp2 hybridised in

Professor PC Thomas Classes · Answer

In compounds with fully conjugated double bonds without any single-bonded $sp^3$ carbons, all carbon atoms are $sp^2$ hybridized.